Column driver device, driving device, and related serial transmission device for a liquid crystal display device

Abstract

The present invention discloses a serial transmission device for reducing instantaneous current including an input terminal for receiving serial data, a coding module coupled to the receiving terminal comprising a plurality of coding units in series for transforming the serial data to a plurality of coding results according to a plurality of coding schemes, and a plurality of output terminals respectively coupled to the plurality of coding units of the coding module for outputting the plurality of coding results.

What is claimed is: 
     
       1. A column driving device for a liquid crystal display (LCD) device comprising:
 a serial data generator coupled to a timing controller of the LCD device for transforming parallel data to serial data; 
 a coding module coupled to the serial data generator comprising a plurality of coding units in series, for performing coding processes on the serial data to generate a plurality of coding results according to a plurality of coding schemes, wherein each coding unit performs a coding process on the received serial data or the received coding result from the previous coding unit to generate a corresponding coding result according to a corresponding coding scheme and the corresponding coding scheme is an error control coding scheme; 
 a latch module coupled to the coding module for storing the plurality of coding results; and 
 a decoding module coupled to the latch module, comprising a plurality of decoders for performing decoding processes on the plurality of coding results which are already coded on the same column driving device and generating a plurality of column driving signals corresponding to the serial data according to the plurality of coding schemes, wherein each decoder performs a decoding process on the received coding result from the latch module to generate a corresponding column driving signal corresponding to the serial data according to a corresponding error control coding scheme. 
 
     
     
       2. The column driving device of  claim 1 , wherein the serial data generator is coupled to a nearest coding unit of the coding module. 
     
     
       3. The column driving device of  claim 1 , wherein the serial data generator is coupled to all of the coding units of the coding module. 
     
     
       4. The column driving device of  claim 1 , wherein the serial data generator is coupled between a first coding unit of the coding module and a second coding unit of the coding module, and the first coding unit is adjacent to the second coding unit. 
     
     
       5. The column driving device of  claim 1 , wherein the latch module comprises:
 a first latch module coupled to the coding module; and 
 a second latch module coupled between the first latch module and the decoding module. 
 
     
     
       6. The column driving device of  claim 1 , wherein the error control coding scheme is one of binary code, Gray code, Hamming code and Turbo code.